28480540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129457}}^1$

素因数の和:129477

約数の個数: 24

約数和(自身を含む): 65246832

約数和(自身を除く): 36766292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129457, 258914, 517828, 647285, 1294570, 1424027, 2589140, 2848054, 5696108, 7120135, 14240270, 28480540]

約数ペア:

[(1, 28480540), (2, 14240270), (4, 7120135), (5, 5696108), (10, 2848054), (11, 2589140), (20, 1424027), (22, 1294570), (44, 647285), (55, 517828), (110, 258914), (220, 129457)]